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As I understand it surgical masks are not good at preventing inhaling airborne virus but are good at restricting the amount of infected air that you breathe out. They do however reduce the chances of infected people spreading the disease. Doctors and nurses wear masks to protect the patients from the doctors and nurses.
This isn't about facts it is about scare mongering.
lynx
@Charlie_L
As I understand it surgical masks are not good at preventing inhaling airborne virus but are good at restricting the amount of infected air that you breathe out. They do however reduce the chances of infected people spreading the disease. Doctors and nurses wear masks to protect the patients from the doctors and nurses.
In Brisbane going to the Invasion Day events is a good idea, wearing a mask won't make a difference.